Question 127129
{{{V=k*r^3}}}
{{{k=V/r^3}}}
{{{V[1]/r[1]^3=V[2]/r[2]^3}}}
{{{904.8/6^3=V[2]/7^3}}}
{{{7^3(904.8/6^3)=V[2]}}}
{{{V[2]=1442.5}}}